Stephen Hanauer, MD
NPI 1992868418 · Gastroenterology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Hanauer, MD is a Gastroenterology Physician provider in Chicago, IL (NPI 1992868418).
Provider details
- NPI number
- 1992868418
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036057399 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
355 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 127 | $153 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 97 | $103 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 35 | $186 |
| Moderate Sedation Services Provided By the Same Physician Or Other Qualified Health Care Professional Performing a Gastrointestinal Endoscopic Service That Sedation Supports, Requiring the Presence of an Independent Trained Observer to Assist in the MonitoG0500 | 33 | $7 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 31 | $84 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mesalamine | 136 | 33 |
| Adalimumabbrand: Humira(cf) Pen | 63 | — |
| Prednisone | 48 | 14 |
| Ustekinumabbrand: Stelara | 42 | — |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 32 | 31 |
| Ciprofloxacin Hcl | 29 | — |
| Budesonidebrand: Budesonide Dr | 25 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$261,868 across 163 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2017-05-23
Frequently asked questions
- What is Stephen Hanauer's NPI number?
- Stephen Hanauer's National Provider Identifier (NPI) is 1992868418, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Hanauer's specialty?
- Stephen Hanauer is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Hanauer located?
- Stephen Hanauer's practice location on file with NPPES is 676 N Saint Clair St Ste 650, Chicago, IL 60611-2929.
- What is Stephen Hanauer's phone number?
- The practice phone number listed in the NPPES registry for Stephen Hanauer is (312) 695-5620.
- Does Stephen Hanauer accept Medicare?
- Stephen Hanauer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Hanauer's NPI active?
- Yes — Stephen Hanauer's NPI (1992868418) is active in the NPPES registry as of the last update on 2017-05-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.